mlb officials also alleging rodriguez attempted to cover up his violations and obstruct their investigation. rodriguez says he'll appeal. in the past, rodriguez has also denied a connection to the former head of biogenesis and taking peds from the clinic, but when asked more than once to clarify on monday, rodriguez dodged those questions. >> we will have a forum to discuss all of that and we will talk about it then. >> reporter: well, under the rules and regulation, rodriguez is allowed to keep playing while he appeals, but his all-star career forever tainted as well as the world of baseball. chris? >> appreciate the reporting from there, jason. >>> what does this mean for a-rod and for major league baseball? let's bring in rachel nichols joining us from rochester, new york. let's go through the punch points here. in perspective terms, what did yesterday mean historically for major league baseball? >> yeah, this is a big step forward for major league baseball. it basically told players we will find you. we don't need a positive test any more. we will find you if you are doing something wro